Fashion's zeitgeist declares that sock shoes aren't going anywhere anytime soon, and Balmain confirms this with the Skye boots. But, like most of fashion's cyclical trends, this one is nothing new - look back to the '90s when the original slip-on silhouette made its way into the height of fashion. The Parisian brand's interpretation features a pin-thin, leg-lengthening heel and its logo for extra style credentials.